Scum Balls – 2 pack View cart “Metal Gon & Defender 2 Pack 16oz.” has been added to your cart. $14.99 Add to cart Add to Wishlist Category: Spa Chemicals Related products Spa 56 – Chlorinating Granules $32.99 – $75.99 Select options Test Strips $14.99 Add to cart Aqua Comb $26.99 Add to cart Cover Care & Conditioner 16oz. $19.99 Add to cart